The first military-trained gang member was Samuel Mason, leader of the Mason gang of river pirates operating along the Ohio River from the 1790s.

The first gang members who joined the military were known as the Hounds, a group of former New York gang members.

Gang members have joined the military since the mid-1800s.

Gangs have had connections to the U.S. Military in every period since the founding of the country.

Jesse and Frank James were the most well-known military-trained gang members